// 导入相关第三方包
import thenFs from 'then-fs'

thenFs.readFile('./files/one.txt', 'utf8').then((r1) => { console.log(r1) }, (err1) => { console.log(err1.message) })
thenFs.readFile('./files/two.txt', 'utf8').then((r2) => { console.log(r2) }, (err2) => { console.log(err2.message) })
thenFs.readFile('./files/three.txt', 'utf8').then((r3) => { console.log(r3) }, (err3) => { console.log(err3.message) })
